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首页> 外文期刊>Physica status solidi, B. Basic research >Gain-cavity alignment in efficient visible (660 nm) VCSELs studied using high pressure techniques
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Gain-cavity alignment in efficient visible (660 nm) VCSELs studied using high pressure techniques

机译:使用高压技术研究的有效可见光(660 nm)VCSEL中的增益腔对准

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Visible (600 nm) vertical-cavity surface-emitting lasers (VCSELs) for polymer fibre applications are very sensitive to temperature fluctuations and structural errors. Two devices with a 3 meV wavelength separation were studied. Significant differences in the output performance can be explained by the relative offset of the cavity mode and the peak of the gain spectrum. The different behaviour of the two devices as a function of hydrostatic pressure can be explained by the gain-cavity offset. Temperature and pressure both shift the offset, but self-heating means that the cw variation is not always as expected. Electron leakage also changes with both pressure and temperature, and in both cases its effect is dominant over the gain-cavity offset in determining the threshold current variation. [References: 6]
机译:用于聚合物纤维应用的可见光(600 nm)垂直腔面发射激光器(VCSEL)对温度波动和结构误差非常敏感。研究了两个波长间隔为3 meV的器件。输出性能的显着差异可以通过腔模的相对偏移和增益谱的峰值来解释。这两个设备作为静水压力的函数的不同行为可以通过增益腔补偿来解释。温度和压力都会偏移偏移量,但是自加热意味着Cw变化并不总是如预期的那样。电子泄漏也随压力和温度而变化,在确定阈值电流变化时,在两种情况下,电子泄漏的影响均超过增益腔偏移。 [参考:6]

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